.midden {
    background-color: #F7F8F9;
    height: 1000px;
}

.block_line {
    height: 20px;
}

.head_line {
    text-align: center;
    font: normal 700 25px/75px Microsoft YaHei;
    height: 75px;
    color: #32CA99;
}

.box {
    width: 1000px;
    height: 780px;
    background-color: #fff;
    margin: 0 auto;
    font: normal 400 15px/30px Microsoft YaHei;
    /* text-align: center; */
}

.box1 {
    width: 800px;
    height: 700px;
    margin: auto auto;
}

.box1 .in {
    height: 40px;
}

.box1 .area {
    height: 80px;
}

.box1 tr .first {
    text-align: right;
    width: 200px;
}

.box1 tr .second {
    text-align: center;
    width: 600px;
}

.box1 tr .second input {
    width: 550px;
    height: 30px;
    border: solid 1px #6DCAA6;
    outline: none;
}

.box1 tr .second textarea {
    width: 550px;
    height: 70px;
    border: solid 1px #6DCAA6;
    outline: none;
}

.box2 {
    margin: 10px auto;
    height: 40px;
    text-align: center;
}

.box2 .btn {
    width: 80px;
    height: 35px;
    margin-right: 7px;
    color: #6DCAA6;
    border-radius: 7px;
    background-color: #FFFFFF;
    border: solid 1px #6DCAA6;
}

.btn:hover {
    background-color: #D5F1EB;
}